function getObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
}

//Cookie´¦Àí
function writeCookie(name, value, hours){
	var expire = "";
	if(hours != null){
		expire = new Date((new Date()).getTime() + hours * 3600000);
		expire = "; expires=" + expire.toGMTString();
	}
	domain = "";
	path = "; path=/";
	document.cookie = name + "=" + escape(value) + path + domain + expire;
}
function readCookie(name){
	var cookieValue = "";
	var pattern = new RegExp(name + "=([^ ;]*)", "i");
	if (document.cookie.length > 0 && name.length > 0 && pattern.test(document.cookie)){
		pattern.exec(document.cookie);
		cookieValue = RegExp.$1;
	}
	return cookieValue;
}